Actor allegedly threatens "bat in the side of the head" and rose garden burial in newly released recording

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Los Angeles cops announced Thursday, July 8, that they launched a preliminary domestic violence probe into an accusation that Mel Gibson beat up his ex-girlfriend Oksana Grigorieva last January.

Updated at 2:05 PM PDT on Monday, Jul 12, 2010

A second tape that purports to show Mel Gibson berating his ex-girlfriend has hit the web, with the Oscar-winner allegedly threatening Oksana Grigorieva with violence twice, while acknowledging that he hit her in the past.

On the eight-minute recording, the man who sounds like the “Braveheart” star becomes increasingly angry and at times out of breath during a profanity-laced argument, allegedly with Grigorieva.

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“You need a [expletive] bat in the side of the head,” the man fumes after being told he “needs medication” because he’s “unbalanced.”

At another point in the tape, the man threatens to bury the woman “in a [expletive] rose garden … Because I’m capable of that.”

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The gossip website posted another audio excerpt of the Gibson tapes last week, in which the actor allegedly uses the N-word and other derogatory terms while criticizing Grigorieva’s appearance.

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On the recording released Monday, the man who sounds like Gibson acknowledges hitting the woman on at least one occasion.

The exchange comes after Grigorieva allegedly says: “What kind of a man is that? Hitting a woman when she’s holding a child in her hands? Breaking her teeth twice in the face! What kind of man is that?”